TY  - GEN
AU  - Zill, Dennis G
AU  - Wright, Warren S
TI  - Differential equations with boundry-value problems
SN  - 9788131525760
U1  - 515.35 
PY  - 2013///
CY  - Andover
PB  - Cengage learning
KW  - Differential
KW  - Equations
KW  - Boundary
KW  - Problems
N1  - It includes bibliographical appendix and index
ER  -